Homeland Security sets March 3 for routine testing of Advanced Warning Systems

The Offices of Guam Homeland Security and Civil Defense, U.S. Naval Base Guam, and Andersen Air Force Base will conduct routine testing of the vital communication and advance warning system sirens, respectively, on Tuesday, March 3, 2026, starting at 3:15

February 23, 2026Updated: February 23, 2026

By Super Admin